X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=fceu.git;a=blobdiff_plain;f=fce.c;h=5ad965ddc344a8c66216f5f59f953977c9b6c545;hp=42a4d76ef49a0433145acde0470902eaad31ea37;hb=f12b1f316ca070bda860108b4e3901628d1a8398;hpb=9115e7d2b5e5b8dc00774fe92db97f1d02b2fee1 diff --git a/fce.c b/fce.c index 42a4d76..5ad965d 100644 --- a/fce.c +++ b/fce.c @@ -48,6 +48,15 @@ #include "crc32.h" #include "ppu.h" +#include "palette.h" +#include "movie.h" + +#include "dprintf.h" + +#ifdef GP2X +#include "drivers/gp2x/asmutils.h" +#endif + #define Pal (PALRAM) @@ -59,6 +68,9 @@ static void PowerPPU(void); uint64 timestampbase=0; +static int ppudead=1; +static int kook=0; + int MMC5Hack; uint32 MMC5HackVROMMask; uint8 *MMC5HackExNTARAMPtr; @@ -90,7 +102,7 @@ void (*GameInterface)(int h); void FP_FASTAPASS(1) (*PPU_hook)(uint32 A); void (*GameStateRestore)(int version); -void (*GameHBIRQHook)(void); +void (*GameHBIRQHook)(void), (*GameHBIRQHook2)(void); readfunc ARead[0x10000]; writefunc BWrite[0x10000]; @@ -98,6 +110,68 @@ static readfunc *AReadG; static writefunc *BWriteG; static int RWWrap=0; +#ifdef ASM_6502 +static void asmcpu_update(int32 cycles) +{ + // some code from x6502.c + fhcnt-=cycles; + if(fhcnt<=0) + { + FrameSoundUpdate(); + fhcnt+=fhinc; + } + + if(PCMIRQCount>0) + { + PCMIRQCount-=cycles; + if(PCMIRQCount<=0) + { + vdis=1; + if((PSG[0x10]&0x80) && !(PSG[0x10]&0x40)) + { + extern uint8 SIRQStat; + SIRQStat|=0x80; + X6502_IRQBegin(FCEU_IQDPCM); + } + } + } +} + +void asmcpu_unpack(void) +{ + nes_registers[0] = X.A << 24; + nes_registers[1] = X.X; + nes_registers[2] = X.Y; + pc_base = 0; + nes_registers[3] = X.PC; + X6502_Rebase_a(); + nes_registers[4] = X.S << 24; + nes_registers[4]|= X.IRQlow << 8; + nes_registers[7] = (uint32)X.count << 16; + + // NVUB DIZC + nes_registers[4]|= X.P & 0x5d; + nes_registers[5] = X.P << 24; // N + if (!(X.P&0x02)) nes_registers[5] |= 1; // Z +} + +void asmcpu_pack(void) +{ + X.A = nes_registers[0] >> 24; + X.X = nes_registers[1]; + X.Y = nes_registers[2]; + X.PC= nes_registers[3] - pc_base; + X.S = nes_registers[4] >> 24; + X.IRQlow = nes_registers[4] >> 8; + X.count = (int32) nes_registers[7] >> 16; + + // NVUB DIZC + X.P = nes_registers[4] & 0x5d; + if ( nes_registers[5]&0x80000000) X.P |= 0x80; // N + if (!(nes_registers[5]&0x000000ff)) X.P |= 0x02; // Z +} +#endif + DECLFW(BNull) { @@ -129,6 +203,9 @@ void FlushGenieRW(void) ARead[x+0x8000]=AReadG[x]; BWrite[x+0x8000]=BWriteG[x]; } +#ifdef ASM_6502 + GenieSetPages(1); +#endif free(AReadG); free(BWriteG); AReadG=0; @@ -203,12 +280,13 @@ uint32 TempAddr,RefreshAddr; /* scanline is equal to the current visible scanline we're on. */ int scanline; -static uint32 scanlines_per_frame; uint8 GameMemBlock[131072] __attribute__ ((aligned (4))); uint8 NTARAM[0x800] __attribute__ ((aligned (4))); uint8 PALRAM[0x20] __attribute__ ((aligned (4))); +#if !defined(ASM_6502) || defined(DEBUG_ASM_6502) uint8 RAM[0x800] __attribute__ ((aligned (4))); +#endif uint8 PPU[4]; uint8 PPUSPL; @@ -219,6 +297,38 @@ uint8 PAL=0; #define MMC5BGVRAMADR(V) &MMC5BGVPage[(V)>>10][(V)] #define VRAMADR(V) &VPage[(V)>>10][(V)] +static int linestartts; +static int tofix=0; + +static void ResetRL(void) +{ + linestartts=timestamp*48+X6502_GetCycleCount(); + tofix=1; +} + +static INLINE void Fixit1(void); + +static void TryFixit1(void) +{ + #define TOFIXNUM (272-0x4) + int lastpixel; + + if (scanline < 240 && tofix) + { + lastpixel = (timestamp*48-linestartts)>>4; + if (PAL) lastpixel += lastpixel>>4; + + //printf("lastpixel: %i\n", lastpixel); + + if(lastpixel>=TOFIXNUM) + { + Fixit1(); + tofix=0; + } + } +} + + static DECLFW(BRAML) { RAM[A]=V; @@ -242,25 +352,38 @@ static DECLFR(ARAMH) static DECLFR(A2002) { + /* merged */ uint8 ret; + + TryFixit1(); ret = PPU_status; + ret|=PPUGenLatch&0x1F; vtoggle=0; PPU_status&=0x7F; - return ret|(PPUGenLatch&0x1F); + PPUGenLatch=ret; + //dprintf("r [2002] %02x",ret); + return ret; } static DECLFR(A200x) { + /* merged */ + TryFixit1(); return PPUGenLatch; } static DECLFR(A2007) { + /* merged */ uint8 ret; uint32 tmp=RefreshAddr&0x3FFF; - PPUGenLatch=ret=VRAMBuffer; + TryFixit1(); + + ret=VRAMBuffer; + if(PPU_hook) PPU_hook(tmp); + PPUGenLatch=VRAMBuffer; if(tmp<0x2000) { VRAMBuffer=VPage[tmp>>10][tmp]; @@ -273,11 +396,14 @@ static DECLFR(A2007) if (INC32) RefreshAddr+=32; else RefreshAddr++; if(PPU_hook) PPU_hook(RefreshAddr&0x3fff); + dprintf("r [2007] %02x",ret); return ret; } static DECLFW(B2000) { + /* NMI2? */ + TryFixit1(); PPUGenLatch=V; PPU[0]=V; TempAddr&=0xF3FF; @@ -286,6 +412,8 @@ static DECLFW(B2000) static DECLFW(B2001) { + /* merged */ + TryFixit1(); PPUGenLatch=V; PPU[1]=V; if(V&0xE0) @@ -295,11 +423,13 @@ static DECLFW(B2001) static DECLFW(B2002) { + /* merged */ PPUGenLatch=V; } static DECLFW(B2003) { + /* merged */ PPUGenLatch=V; PPU[3]=V; PPUSPL=V&0x7; @@ -307,9 +437,9 @@ static DECLFW(B2003) static DECLFW(B2004) { + /* merged */ PPUGenLatch=V; - //SPRAM[PPU[3]++]=V; - if(PPUSPL&8) + if(PPUSPL>=8) { if(PPU[3]>=8) SPRAM[PPU[3]]=V; @@ -318,16 +448,17 @@ static DECLFW(B2004) { //printf("$%02x:$%02x\n",PPUSPL,V); SPRAM[PPUSPL]=V; - PPUSPL++; } PPU[3]++; + PPUSPL++; } static DECLFW(B2005) { + /* merged */ uint32 tmp=TempAddr; - + TryFixit1(); PPUGenLatch=V; if (!vtoggle) { @@ -348,6 +479,9 @@ static DECLFW(B2005) static DECLFW(B2006) { + /* merged */ + TryFixit1(); + PPUGenLatch=V; if(!vtoggle) { @@ -358,8 +492,8 @@ static DECLFW(B2006) { TempAddr&=0xFF00; TempAddr|=V; - RefreshAddr=TempAddr; + RefreshAddr=TempAddr; if(PPU_hook) PPU_hook(RefreshAddr); } @@ -368,16 +502,15 @@ static DECLFW(B2006) static DECLFW(B2007) { + /* merged */ uint32 tmp=RefreshAddr&0x3FFF; - PPUGenLatch=V; if(tmp>=0x3F00) { - // hmmm.... - if(!(tmp&0xf)) - PALRAM[0x00]=PALRAM[0x04]=PALRAM[0x08]=PALRAM[0x0C]= - PALRAM[0x10]=PALRAM[0x14]=PALRAM[0x18]=PALRAM[0x1c]=V&0x3f; - else if(tmp&3) PALRAM[(tmp&0x1f)]=V&0x3f; + // hmmm.... + if(!(tmp&0xf)) + PALRAM[0x00]=PALRAM[0x04]=PALRAM[0x08]=PALRAM[0x0C]=V&0x3f; + else if(tmp&3) PALRAM[(tmp&0x1f)]=V&0x3f; } else if(tmp<0x2000) { @@ -398,6 +531,7 @@ static DECLFW(B4014) { uint32 t=V<<8; int x; + for(x=0;x<256;x++) B2004(0x2004,X.DB=ARead[t+x](t+x)); X6502_AddCycles(512); @@ -428,7 +562,6 @@ void BGRender(uint8 *target) } #ifdef FRAMESKIP -int FSkip_setting=-1; // auto int FSkip=0; void FCEUI_FrameSkip(int x) { @@ -441,7 +574,7 @@ static void Loop6502(void) { uint32 tem; int x; - uint8 *target=XBuf+(scanline<<8)+(scanline<<4)+8; + uint8 *target=XBuf+scanline*320+32; if(ScreenON || SpriteON) { @@ -481,18 +614,26 @@ static void Loop6502(void) if(PPU[1]&0x01) { for(x=63;x>=0;x--) - *(uint32 *)&target[x<<2]=(*(uint32*)&target[x<<2])&0xF0F0F0F0; + ((uint32 *)target)[x]=((uint32*)target)[x]&0xF0F0F0F0; } +#ifdef GP2X + if((PPU[1]>>5)==0x7) block_or(target, 256, 0xc0); + else if(PPU[1]&0xE0) block_andor(target, 256, 0x3f, 0x40); + else block_andor(target, 256, 0x3f, 0x80); +#else if((PPU[1]>>5)==0x7) for(x=63;x>=0;x--) - *(uint32 *)&target[x<<2]=((*(uint32*)&target[x<<2])&0x3f3f3f3f)|0x40404040; + ((uint32 *)target)[x]=(((uint32*)target)[x])|0xc0c0c0c0; else if(PPU[1]&0xE0) for(x=63;x>=0;x--) - *(uint32 *)&target[x<<2]=(*(uint32*)&target[x<<2])|0xC0C0C0C0; + ((uint32 *)target)[x]=(((uint32*)target)[x]&0x3f3f3f3f)|0x40404040; else for(x=63;x>=0;x--) - *(uint32 *)&target[x<<2]=(*(uint32*)&target[x<<2])&0x3f3f3f3f; - + ((uint32 *)target)[x]=(((uint32*)target)[x]&0x3f3f3f3f)|0x80808080; +#endif + // black borders + ((uint32 *)target)[-2]=((uint32 *)target)[-1]=0; + ((uint32 *)target)[64]=((uint32 *)target)[65]=0; #ifdef FRAMESKIP } #endif @@ -784,7 +925,8 @@ static void SetRefreshLine(void) } } -static INLINE void Fixit2(void) +static INLINE +void Fixit2(void) { if(ScreenON || SpriteON) { @@ -796,7 +938,8 @@ static INLINE void Fixit2(void) } } -static INLINE void Fixit1(void) +static INLINE +void Fixit1(void) { if(ScreenON || SpriteON) { @@ -824,31 +967,37 @@ static INLINE void Fixit1(void) } } + /* This is called at the beginning of all h-blanks on visible lines. */ static void DoHBlank(void) { if(ScreenON || SpriteON) FetchSpriteData(); - if(GameHBIRQHook && (ScreenON || SpriteON)) + if(GameHBIRQHook && (ScreenON || SpriteON) && ((PPU[0]&0x38)!=0x18)) { - X6502_Run(12); - GameHBIRQHook(); - X6502_Run(25-12); + X6502_Run(6); Fixit2(); - X6502_Run(85-25); + X6502_Run(4+3); // original value was 4, but adding 3 fixes glitch in smb3 (and breaks something?) + GameHBIRQHook(); + X6502_Run(85-10-16-3); } else { - X6502_Run(25); // Tried 65, caused problems with Slalom(maybe others) + X6502_Run(6); // Tried 65, caused problems with Slalom(maybe others) Fixit2(); - X6502_Run(85-25); + X6502_Run(85-6-16); } + if(GameHBIRQHook2 && (ScreenON || SpriteON)) + GameHBIRQHook2(); //PPU_hook(0,-1); //fprintf(stderr,"%3d: $%04x\n",scanline,RefreshAddr); + scanline++; + if (scanline<240) + ResetRL(); + X6502_Run(16); } - // ============================// // end of new code // ===========================// @@ -897,7 +1046,7 @@ void CloseGame(void) if(GameLoaded) { if(FCEUGameInfo.type!=GIT_NSF) - FlushGameCheats(); + FCEU_FlushGameCheats(0,0); #ifdef NETWORK if(FSettings.NetworkPlay) KillNetplay(); #endif @@ -912,7 +1061,7 @@ void ResetGameLoaded(void) if(GameLoaded) CloseGame(); GameStateRestore=0; PPU_hook=0; - GameHBIRQHook=0; + GameHBIRQHook=GameHBIRQHook2=0; GameExpSound.Fill=0; GameExpSound.RChange=0; if(GameExpSound.Kill) @@ -930,32 +1079,68 @@ void ResetGameLoaded(void) FCEUGameInfo.inputfc=-1; } +char lastLoadedGameName [2048]; +int LoadGameLastError = 0; +int UNIFLoad(const char *name, int fp); +int iNESLoad(const char *name, int fp); +int FDSLoad(const char *name, int fp); +int NSFLoad(int fp); + FCEUGI *FCEUI_LoadGame(char *name) { + char name2[512]; + int have_movie = 0; int fp; - Exit=1; + //Exit=1; + LoadGameLastError = 0; ResetGameLoaded(); - fp=FCEU_fopen(name,"rb"); + strncpy(name2, name, sizeof(name2)); + name2[sizeof(name2)-1] = 0; + + fp=FCEU_fopen(name2,"rb"); if(!fp) { FCEU_PrintError("Error opening \"%s\"!",name); + LoadGameLastError = 1; return 0; } - GetFileBase(name); - if(iNESLoad(name,fp)) + { + char *p = name2 + strlen(name2) - 4; + if (strcmp(p, ".fcm") == 0) + { + // movie detected + printf("movie detected\n"); + FCEU_fclose(fp); + *p = 0; + fp=FCEU_fopen(name2,"rb"); + if (!fp && p - name2 > 2) p[-2] = 0; + fp=FCEU_fopen(name2,"rb"); + if (!fp) { + printf("no ROM for movie\n"); + LoadGameLastError = 2; + return 0; + } + have_movie = 1; + } + } + + GetFileBase(name2); + if(iNESLoad(name2,fp)) goto endlseq; if(NSFLoad(fp)) goto endlseq; - if(FDSLoad(name,fp)) + if(FDSLoad(name2,fp)) goto endlseq; - if(UNIFLoad(name,fp)) + if(UNIFLoad(name2,fp)) goto endlseq; FCEU_PrintError("An error occurred while loading the file."); FCEU_fclose(fp); + // format handlers may set LoadGameLastError themselves. + if (LoadGameLastError == 0) LoadGameLastError = 3; return 0; endlseq: @@ -974,12 +1159,18 @@ FCEUGI *FCEUI_LoadGame(char *name) SaveStateRefresh(); if(FCEUGameInfo.type!=GIT_NSF) { - LoadGamePalette(); - LoadGameCheats(); + FCEU_LoadGamePalette(); + FCEU_LoadGameCheats(0); } FCEU_ResetPalette(); Exit=0; + + if (have_movie) + FCEUI_LoadMovie(name, 1); + + strcpy(lastLoadedGameName, name2); + return(&FCEUGameInfo); } @@ -998,18 +1189,16 @@ void FCEU_ResetVidSys(void) if(w) { PAL=1; - scanlines_per_frame=312; FSettings.FirstSLine=FSettings.UsrFirstSLine[1]; FSettings.LastSLine=FSettings.UsrLastSLine[1]; } else { PAL=0; - scanlines_per_frame=262; FSettings.FirstSLine=FSettings.UsrFirstSLine[0]; FSettings.LastSLine=FSettings.UsrLastSLine[0]; } - printf("PAL = %i\n", PAL); + printf("ResetVidSys: PAL = %i\n", PAL); SetSoundVariables(); } @@ -1021,50 +1210,55 @@ int FCEUI_Initialize(void) FSettings.UsrFirstSLine[0]=8; FSettings.UsrFirstSLine[1]=0; FSettings.UsrLastSLine[0]=FSettings.UsrLastSLine[1]=239; - FSettings.SoundVolume=65535; // 100% + FSettings.SoundVolume=100; return 1; } -#define harko 0xe //0x9 +void MMC5_hb(int); /* Ugh ugh ugh. */ static INLINE void Thingo(void) { Loop6502(); + if(MMC5Hack && (ScreenON || SpriteON)) MMC5_hb(scanline); + + // check: Battletoads & Double Dragon, Addams Family + // sky glitches in SMB1 if done wrong if(tosprite>=256) { - X6502_Run(256-harko); - Fixit1(); - X6502_Run(harko); + X6502_Run(256); } else { - if(tosprite<=240) - { + // a dirty hack for Addams Family and inaccurate sprite hit emulation + if(tosprite<8) tosprite-=tosprite*3>>2; + X6502_Run(tosprite); PPU[2]|=0x40; - X6502_Run(256-tosprite-harko); - Fixit1(); - X6502_Run(harko); - } - else - { - X6502_Run(256-harko); - Fixit1(); - X6502_Run(tosprite-(256-harko)); - PPU[2]|=0x40; X6502_Run(256-tosprite); - } - tosprite=256; + tosprite = 256; } + TryFixit1(); DoHBlank(); } -#undef harko void EmLoop(void) { for(;;) { - ApplyPeriodicCheats(); + int x; + uint32 scanlines_per_frame = PAL ? 312 : 262; + UpdateInput(); + FCEU_ApplyPeriodicCheats(); + + // FCEUPPU_Loop: + if(ppudead) /* Needed for Knight Rider, possibly others. */ + { + //memset(XBuf, 0, 320*240); + X6502_Run(scanlines_per_frame*(256+85)); + ppudead--; + goto update; + } + X6502_Run(256+85); PPU[2]|=0x80; @@ -1077,43 +1271,64 @@ void EmLoop(void) of this delay. */ if(FCEUGameInfo.type==GIT_NSF) - TriggerNMINSF(); + DoNSFFrame(); else if(VBlankON) TriggerNMI(); - X6502_Run((scanlines_per_frame-242)*(256+85)-12); - + // Note: this is needed for asm core + // Warning: using 'scanline' var here breaks Castlevania III + { + int lines; + X6502_Run(256+85-12); + for (lines=scanlines_per_frame-242-1;lines;lines--) + X6502_Run(256+85); + } + // X6502_Run((scanlines_per_frame-242)*(256+85)-12); PPU_status&=0x1f; - X6502_Run(256); + { - static int kook=0; if(ScreenON || SpriteON) + { if(GameHBIRQHook) GameHBIRQHook(); + if(PPU_hook) + for(x=0;x<42;x++) {PPU_hook(0x2000); PPU_hook(0);} // ugh + if(GameHBIRQHook2) + GameHBIRQHook2(); + } + + X6502_Run(85-16); + + if(ScreenON || SpriteON) + { + RefreshAddr=TempAddr; + if(PPU_hook) PPU_hook(RefreshAddr&0x3fff); + } + ResetRL(); - X6502_Run(85-kook); - kook=(kook+1)&1; + X6502_Run(16-kook); + kook ^= 1; } - if(ScreenON || SpriteON) + if(FCEUGameInfo.type==GIT_NSF) { - RefreshAddr=TempAddr; - if(PPU_hook) PPU_hook(RefreshAddr&0x3fff); + // run scanlines for asm core to fuction + for(scanline=0;scanline<240;scanline++) + X6502_Run(256+85); } - if(FCEUGameInfo.type==GIT_NSF) - X6502_Run((256+85)*240); else { int x,max,maxref; deemp=PPU[1]>>5; SetRefreshLine(); - for(scanline=0;scanline<240;scanline++) + for(scanline=0;scanline<240;) // scanline is incremented in DoLine. Evil. :/ { deempcnt[deemp]++; Thingo(); } + if(MMC5Hack && (ScreenON || SpriteON)) MMC5_hb(scanline); for(x=1,max=0,maxref=0;x<7;x++) { if(deempcnt[x]>max) @@ -1123,16 +1338,18 @@ void EmLoop(void) } deempcnt[x]=0; } - //FCEU_DispMessage("%2x:%2x:%2x:%2x:%2x:%2x:%2x:%2x %d",deempcnt[0],deempcnt[1],deempcnt[2],deempcnt[3],deempcnt[4],deempcnt[5],deempcnt[6],deempcnt[7],maxref); - //memset(deempcnt,0,sizeof(deempcnt)); SetNESDeemph(maxref,0); } +update: { int ssize; ssize=FlushEmulateSound(); + timestampbase += timestamp; + timestamp = 0; + #ifdef FRAMESKIP if(FSkip) { @@ -1146,16 +1363,15 @@ void EmLoop(void) FCEU_PutImage(); FCEUD_Update(XBuf+8,WaveFinalMono,ssize); } - UpdateInput(); } if(Exit) { - CloseGame(); + //CloseGame(); break; } - } + } // for } #ifdef FPS @@ -1202,6 +1418,8 @@ static void ResetPPU(void) PPUGenLatch=0; RefreshAddr=TempAddr=0; vtoggle = 0; + ppudead = 2; + kook = 0; } static void PowerPPU(void) @@ -1214,13 +1432,25 @@ static void PowerPPU(void) void ResetNES(void) { - if(!GameLoaded || (FCEUGameInfo.type==GIT_NSF)) return; + if(!GameLoaded) return; GameInterface(GI_RESETM2); ResetSound(); ResetPPU(); X6502_Reset(); } +static void FCEU_MemoryRand(uint8 *ptr, uint32 size) +{ + int x=0; + while(size) + { + *ptr=(x&4)?0xFF:0x00; + x++; + size--; + ptr++; + } +} + void PowerNES(void) { if(!GameLoaded) return; @@ -1230,12 +1460,43 @@ void PowerNES(void) GeniePower(); +#ifndef DEBUG_ASM_6502 + FCEU_MemoryRand(RAM,0x800); +#else memset(RAM,0x00,0x800); +#endif ResetMapping(); GameInterface(GI_POWER); PowerSound(); PowerPPU(); timestampbase=0; +#ifdef ASM_6502 + if (geniestage) + GenieSetPages(0); +#endif X6502_Power(); } + +/* savestate stuff */ +uint16 TempAddrT,RefreshAddrT; + +SFORMAT FCEUPPU_STATEINFO[]={ + { NTARAM, 0x800, "NTAR"}, + { PALRAM, 0x20, "PRAM"}, + { SPRAM, 0x100, "SPRA"}, + { PPU, 0x4, "PPUR"}, + { &XOffset, 1, "XOFF"}, + { &vtoggle, 1, "VTOG"}, + { &RefreshAddrT, 2|RLSB, "RADD"}, + { &TempAddrT, 2|RLSB, "TADD"}, + { &VRAMBuffer, 1, "VBUF"}, + { &PPUGenLatch, 1, "PGEN"}, + // from 0.98.15 + { &kook, 1, "KOOK"}, + { &ppudead, 1, "DEAD"}, + { &PPUSPL, 1, "PSPL"}, + { 0 } + }; + +